[perl5.git] / perl.h

/* $Header: perl.h,v 3.0.1.5 90/02/28 17:52:28 lwall Locked $
 *
 *    Copyright (c) 1989, Larry Wall
 *
 *    You may distribute under the terms of the GNU General Public License
 *    as specified in the README file that comes with the perl 3.0 kit.
 *
 * $Log:	perl.h,v $
 * Revision 3.0.1.5  90/02/28  17:52:28  lwall
 * patch9: Configure now determines whether volatile is supported
 * patch9: volatilized some more variables for super-optimizing compilers
 * patch9: unused VREG symbol deleted
 * patch9: perl can now start up other interpreters scripts  
 * patch9: you may now undef $/ to have no input record separator
 * patch9: nested evals clobbered their longjmp environment
 * 
 * Revision 3.0.1.4  89/12/21  20:07:35  lwall
 * patch7: arranged for certain registers to be restored after longjmp()
 * patch7: Configure now compiles a test program to figure out time.h fiasco
 * patch7: Configure now detects DG/UX thingies like [sg]etpgrp2 and utime.h
 * patch7: memcpy() and memset() return void in __STDC__
 * patch7: errno may now be a macro with an lvalue
 * patch7: ANSI strerror() is now supported
 * patch7: Xenix support for sys/ndir.h, cross compilation
 * 
 * Revision 3.0.1.3  89/11/17  15:28:57  lwall
 * patch5: byteorder now is a hex value
 * patch5: Configure now looks for <time.h> including <sys/time.h>
 * 
 * Revision 3.0.1.2  89/11/11  04:39:38  lwall
 * patch2: Configure may now set -DDEBUGGING
 * patch2: netinet/in.h needed sys/types.h some places
 * patch2: more <sys/time.h> and <time.h> wrangling
 * patch2: yydebug moved to where type doesn't matter  
 * 
 * Revision 3.0.1.1  89/10/26  23:17:08  lwall
 * patch1: vfork now conditionally defined based on VFORK
 * patch1: DEC risc machines have a buggy memcmp
 * patch1: perl.h now includes <netinet/in.h> if it exists
 * 
 * Revision 3.0  89/10/18  15:21:21  lwall
 * 3.0 baseline
 * 
 */

#define VOIDUSED 1
#include "config.h"

#if defined(HASVOLATILE) || defined(__STDC__)
#define VOLATILE volatile
#else
#define VOLATILE
#endif

#ifdef IAMSUID
#   ifndef TAINT
#	define TAINT
#   endif
#endif

#ifndef VFORK
#   define vfork fork
#endif

#ifdef GETPGRP2
#   ifndef GETPGRP
#	define GETPGRP
#   endif
#   define getpgrp getpgrp2
#endif

#ifdef SETPGRP2
#   ifndef SETPGRP
#	define SETPGRP
#   endif
#   define setpgrp setpgrp2
#endif

#if defined(MEMCMP) && defined(mips) && BYTEORDER == 0x1234
#undef MEMCMP
#endif

#ifdef MEMCPY
#ifndef memcpy
#ifdef __STDC__
extern void *memcpy(), *memset();
#else
extern char *memcpy(), *memset();
#endif
#endif
#define bcopy(s1,s2,l) memcpy(s2,s1,l)
#define bzero(s,l) memset(s,0,l)
#endif
#ifndef BCMP		/* prefer bcmp slightly 'cuz it doesn't order */
#define bcmp(s1,s2,l) memcmp(s1,s2,l)
#endif

#include <stdio.h>
#include <ctype.h>
#include <setjmp.h>
#include <sys/param.h>	/* if this needs types.h we're still wrong */

#ifndef _TYPES_		/* If types.h defines this it's easy. */
#ifndef major		/* Does everyone's types.h define this? */
#include <sys/types.h>
#endif
#endif

#ifdef I_NETINET_IN
#include <netinet/in.h>
#endif

#include <sys/stat.h>

#ifdef I_TIME
#   include <time.h>
#endif

#ifdef I_SYSTIME
#   ifdef SYSTIMEKERNEL
#	define KERNEL
#   endif
#   include <sys/time.h>
#   ifdef SYSTIMEKERNEL
#	undef KERNEL
#   endif
#endif

#include <sys/times.h>

#if defined(STRERROR) && (!defined(MKDIR) || !defined(RMDIR))
#undef STRERROR
#endif

#include <errno.h>
#ifndef errno
extern int errno;     /* ANSI allows errno to be an lvalue expr */
#endif

#ifdef STRERROR
char *strerror();
#else
extern int sys_nerr;
extern char *sys_errlist[];
#define strerror(e) ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
#endif

#ifdef I_SYSIOCTL
#ifndef _IOCTL_
#include <sys/ioctl.h>
#endif
#endif

#if defined(mc300) || defined(mc500) || defined(mc700)	/* MASSCOMP */
#ifdef SOCKETPAIR
#undef SOCKETPAIR
#endif
#ifdef NDBM
#undef NDBM
#endif
#endif

#ifdef NDBM
#include <ndbm.h>
#define SOME_DBM
#ifdef ODBM
#undef ODBM
#endif
#else
#ifdef ODBM
#ifdef NULL
#undef NULL		/* suppress redefinition message */
#endif
#include <dbm.h>
#ifdef NULL
#undef NULL
#endif
#define NULL 0		/* silly thing is, we don't even use this */
#define SOME_DBM
#define dbm_fetch(db,dkey) fetch(dkey)
#define dbm_delete(db,dkey) delete(dkey)
#define dbm_store(db,dkey,dcontent,flags) store(dkey,dcontent)
#define dbm_close(db) dbmclose()
#define dbm_firstkey(db) firstkey()
#endif /* ODBM */
#endif /* NDBM */
#ifdef SOME_DBM
EXT char *dbmkey;
EXT int dbmlen;
#endif

#if INTSIZE == 2
#define htoni htons
#define ntohi ntohs
#else
#define htoni htonl
#define ntohi ntohl
#endif

#if defined(I_DIRENT) && !defined(xenix)
#   include <dirent.h>
#   define DIRENT dirent
#else
#   ifdef I_SYSDIR
#	ifdef hp9000s500
#	    include <ndir.h>	/* may be wrong in the future */
#	else
#	    include <sys/dir.h>
#	endif
#	define DIRENT direct
#   else
#	ifdef I_SYSNDIR
#	    include <sys/ndir.h>
#	    define DIRENT direct
#	endif
#   endif
#endif

typedef struct arg ARG;
typedef struct cmd CMD;
typedef struct formcmd FCMD;
typedef struct scanpat SPAT;
typedef struct stio STIO;
typedef struct sub SUBR;
typedef struct string STR;
typedef struct atbl ARRAY;
typedef struct htbl HASH;
typedef struct regexp REGEXP;
typedef struct stabptrs STBP;
typedef struct stab STAB;

#include "handy.h"
#include "regexp.h"
#include "str.h"
#include "util.h"
#include "form.h"
#include "stab.h"
#include "spat.h"
#include "arg.h"
#include "cmd.h"
#include "array.h"
#include "hash.h"

#if defined(iAPX286) || defined(M_I286) || defined(I80286)
#   define I286
#endif

#ifndef	__STDC__
#ifdef CHARSPRINTF
    char *sprintf();
#else
    int sprintf();
#endif
#endif

EXT char *Yes INIT("1");
EXT char *No INIT("");

/* "gimme" values */

/* Note: cmd.c assumes that it can use && to produce one of these values! */
#define G_SCALAR 0
#define G_ARRAY 1

#ifdef CRIPPLED_CC
int str_true();
#else /* !CRIPPLED_CC */
#define str_true(str) (Str = (str), \
	(Str->str_pok ? \
	    ((*Str->str_ptr > '0' || \
	      Str->str_cur > 1 || \
	      (Str->str_cur && *Str->str_ptr != '0')) ? 1 : 0) \
	: \
	    (Str->str_nok ? (Str->str_u.str_nval != 0.0) : 0 ) ))
#endif /* CRIPPLED_CC */

#ifdef DEBUGGING
#define str_peek(str) (Str = (str), \
	(Str->str_pok ? \
	    Str->str_ptr : \
	    (Str->str_nok ? \
		(sprintf(tokenbuf,"num(%g)",Str->str_u.str_nval), \
		    (char*)tokenbuf) : \
		"" )))
#endif

#ifdef CRIPPLED_CC
char *str_get();
#else
#ifdef TAINT
#define str_get(str) (Str = (str), tainted |= Str->str_tainted, \
	(Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
#else
#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
#endif /* TAINT */
#endif /* CRIPPLED_CC */

#ifdef CRIPPLED_CC
double str_gnum();
#else /* !CRIPPLED_CC */
#ifdef TAINT
#define str_gnum(str) (Str = (str), tainted |= Str->str_tainted, \
	(Str->str_nok ? Str->str_u.str_nval : str_2num(Str)))
#else /* !TAINT */
#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_u.str_nval : str_2num(Str)))
#endif /* TAINT*/
#endif /* CRIPPLED_CC */
EXT STR *Str;

#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)

#define STR_GROW(str,len) if ((str)->str_len < (len)) str_grow(str,len)

#ifndef BYTEORDER
#define BYTEORDER 0x1234
#endif

#if defined(htonl) && !defined(HTONL)
#define HTONL
#endif
#if defined(htons) && !defined(HTONS)
#define HTONS
#endif
#if defined(ntohl) && !defined(NTOHL)
#define NTOHL
#endif
#if defined(ntohs) && !defined(NTOHS)
#define NTOHS
#endif
#ifndef HTONL
#if (BYTEORDER != 0x4321) && (BYTEORDER != 0x87654321)
#define HTONS
#define HTONL
#define NTOHS
#define NTOHL
#define MYSWAP
#define htons my_swap
#define htonl my_htonl
#define ntohs my_swap
#define ntohl my_ntohl
#endif
#else
#if (BYTEORDER == 0x4321) || (BYTEORDER == 0x87654321)
#undef HTONS
#undef HTONL
#undef NTOHS
#undef NTOHL
#endif
#endif

CMD *add_label();
CMD *block_head();
CMD *append_line();
CMD *make_acmd();
CMD *make_ccmd();
CMD *make_icmd();
CMD *invert();
CMD *addcond();
CMD *addloop();
CMD *wopt();
CMD *over();

STAB *stabent();
STAB *genstab();

ARG *stab2arg();
ARG *op_new();
ARG *make_op();
ARG *make_match();
ARG *make_split();
ARG *rcatmaybe();
ARG *listish();
ARG *maybelistish();
ARG *localize();
ARG *fixeval();
ARG *jmaybe();
ARG *l();
ARG *fixl();
ARG *mod_match();
ARG *make_list();
ARG *cmd_to_arg();
ARG *addflags();
ARG *hide_ary();
ARG *cval_to_arg();

STR *str_new();
STR *stab_str();

int do_each();
int do_subr();
int do_match();
int do_unpack();
int eval();		/* this evaluates expressions */
int do_eval();		/* this evaluates eval operator */
int do_assign();

SUBR *make_sub();

FCMD *load_format();

char *scanpat();
char *scansubst();
char *scantrans();
char *scanstr();
char *scanreg();
char *str_append_till();
char *str_gets();
char *str_grow();

bool do_open();
bool do_close();
bool do_print();
bool do_aprint();
bool do_exec();
bool do_aexec();

int do_subst();
int cando();
int ingroup();

void str_replace();
void str_inc();
void str_dec();
void str_free();
void stab_clear();
void do_join();
void do_sprintf();
void do_accept();
void do_pipe();
void do_vecset();
void savelist();
void saveitem();
void saveint();
void savelong();
void savesptr();
void savehptr();
void restorelist();
void repeatcpy();
HASH *savehash();
ARRAY *saveary();

EXT char **origargv;
EXT int origargc;
EXT line_t line INIT(0);
EXT line_t subline INIT(0);
EXT STR *subname INIT(Nullstr);
EXT int arybase INIT(0);

struct outrec {
    line_t  o_lines;
    char    *o_str;
    int     o_len;
};

EXT struct outrec outrec;
EXT struct outrec toprec;

EXT STAB *stdinstab INIT(Nullstab);
EXT STAB *last_in_stab INIT(Nullstab);
EXT STAB *defstab INIT(Nullstab);
EXT STAB *argvstab INIT(Nullstab);
EXT STAB *envstab INIT(Nullstab);
EXT STAB *sigstab INIT(Nullstab);
EXT STAB *defoutstab INIT(Nullstab);
EXT STAB *curoutstab INIT(Nullstab);
EXT STAB *argvoutstab INIT(Nullstab);
EXT STAB *incstab INIT(Nullstab);
EXT STAB *leftstab INIT(Nullstab);
EXT STAB *amperstab INIT(Nullstab);
EXT STAB *rightstab INIT(Nullstab);
EXT STAB *DBstab INIT(Nullstab);
EXT STAB *DBsub INIT(Nullstab);

EXT HASH *defstash;		/* main symbol table */
EXT HASH *curstash;		/* symbol table for current package */
EXT HASH *debstash;		/* symbol table for perldb package */

EXT STR *curstname;		/* name of current package */

EXT STR *freestrroot INIT(Nullstr);
EXT STR *lastretstr INIT(Nullstr);
EXT STR *DBsingle INIT(Nullstr);

EXT int lastspbase;
EXT int lastsize;

EXT char *filename;
EXT char *origfilename;
EXT FILE * VOLATILE rsfp;
EXT char buf[1024];
EXT char *bufptr;
EXT char *oldbufptr;
EXT char *oldoldbufptr;
EXT char *bufend;

EXT STR *linestr INIT(Nullstr);

EXT int record_separator INIT('\n');
EXT int rslen INIT(1);
EXT char *ofs INIT(Nullch);
EXT int ofslen INIT(0);
EXT char *ors INIT(Nullch);
EXT int orslen INIT(0);
EXT char *ofmt INIT(Nullch);
EXT char *inplace INIT(Nullch);
EXT char *nointrp INIT("");

EXT bool preprocess INIT(FALSE);
EXT bool minus_n INIT(FALSE);
EXT bool minus_p INIT(FALSE);
EXT bool minus_a INIT(FALSE);
EXT bool doswitches INIT(FALSE);
EXT bool dowarn INIT(FALSE);
EXT bool allstabs INIT(FALSE);	/* init all customary symbols in symbol table?*/
EXT bool sawampersand INIT(FALSE);	/* must save all match strings */
EXT bool sawstudy INIT(FALSE);		/* do fbminstr on all strings */
EXT bool sawi INIT(FALSE);		/* study must assume case insensitive */
EXT bool sawvec INIT(FALSE);
EXT bool localizing INIT(FALSE);	/* are we processing a local() list? */

#ifdef CSH
char *cshname INIT(CSH);
int cshlen INIT(0);
#endif /* CSH */

#ifdef TAINT
EXT bool tainted INIT(FALSE);		/* using variables controlled by $< */
#endif

#define TMPPATH "/tmp/perl-eXXXXXX"
EXT char *e_tmpname;
EXT FILE *e_fp INIT(Nullfp);

EXT char tokenbuf[256];
EXT int expectterm INIT(TRUE);		/* how to interpret ambiguous tokens */
EXT VOLATILE int in_eval INIT(FALSE);	/* trap fatal errors? */
EXT int multiline INIT(0);		/* $*--do strings hold >1 line? */
EXT int forkprocess;			/* so do_open |- can return proc# */
EXT int do_undump INIT(0);		/* -u or dump seen? */
EXT int error_count INIT(0);		/* how many errors so far, max 10 */
EXT int multi_start INIT(0);		/* 1st line of multi-line string */
EXT int multi_end INIT(0);		/* last line of multi-line string */
EXT int multi_open INIT(0);		/* delimiter of said string */
EXT int multi_close INIT(0);		/* delimiter of said string */

FILE *popen();
/* char *str_get(); */
STR *interp();
void free_arg();
STIO *stio_new();

EXT struct stat statbuf;
EXT struct stat statcache;
STAB *statstab INIT(Nullstab);
STR *statname;
EXT struct tms timesbuf;
EXT int uid;
EXT int euid;
EXT int gid;
EXT int egid;
UIDTYPE getuid();
UIDTYPE geteuid();
GIDTYPE getgid();
GIDTYPE getegid();
EXT int unsafe;

#ifdef DEBUGGING
EXT VOLATILE int debug INIT(0);
EXT int dlevel INIT(0);
EXT int dlmax INIT(128);
EXT char *debname;
EXT char *debdelim;
#define YYDEBUG 1
#endif
EXT int perldb INIT(0);

EXT line_t cmdline INIT(NOLINE);

EXT STR str_undef;
EXT STR str_no;
EXT STR str_yes;

/* runtime control stuff */

EXT struct loop {
    char *loop_label;		/* what the loop was called, if anything */
    int loop_sp;		/* stack pointer to copy stuff down to */
    jmp_buf loop_env;
} *loop_stack;

EXT int loop_ptr INIT(-1);
EXT int loop_max INIT(128);

EXT jmp_buf top_env;

EXT char * VOLATILE goto_targ INIT(Nullch); /* cmd_exec gets strange when set */

EXT ARRAY *stack;		/* THE STACK */

EXT ARRAY * VOLATILE savestack;		/* to save non-local values on */

EXT ARRAY *tosave;		/* strings to save on recursive subroutine */

EXT ARRAY *lineary;		/* lines of script for debugger */

EXT ARRAY *pidstatary;		/* keep pids and statuses by fd for mypopen */

EXT int *di;			/* for tmp use in debuggers */
EXT char *dc;
EXT short *ds;

double atof();
long time();
struct tm *gmtime(), *localtime();
char *mktemp();
char *index(), *rindex();
char *strcpy(), *strcat();

#ifdef EUNICE
#define UNLINK unlnk
int unlnk();
#else
#define UNLINK unlink
#endif

#ifndef SETREUID
#ifdef SETRESUID
#define setreuid(r,e) setresuid(r,e,-1)
#define SETREUID
#endif
#endif
#ifndef SETREGID
#ifdef SETRESGID
#define setregid(r,e) setresgid(r,e,-1)
#define SETREGID
#endif
#endif
Commit	Line	Data
ac58e20f	1	/* $Header: perl.h,v 3.0.1.5 90/02/28 17:52:28 lwall Locked $
a687059c LW	2	*
	3	* Copyright (c) 1989, Larry Wall
	4	*
	5	* You may distribute under the terms of the GNU General Public License
	6	* as specified in the README file that comes with the perl 3.0 kit.
8d063cd8 LW	7	*
8d063cd8 LW	8	* $Log: perl.h,v $
ac58e20f LW	9	* Revision 3.0.1.5 90/02/28 17:52:28 lwall
	10	* patch9: Configure now determines whether volatile is supported
	11	* patch9: volatilized some more variables for super-optimizing compilers
	12	* patch9: unused VREG symbol deleted
	13	* patch9: perl can now start up other interpreters scripts
	14	* patch9: you may now undef $/ to have no input record separator
	15	* patch9: nested evals clobbered their longjmp environment
	16	*
663a0e37 LW	17	* Revision 3.0.1.4 89/12/21 20:07:35 lwall
	18	* patch7: arranged for certain registers to be restored after longjmp()
	19	* patch7: Configure now compiles a test program to figure out time.h fiasco
	20	* patch7: Configure now detects DG/UX thingies like [sg]etpgrp2 and utime.h
	21	* patch7: memcpy() and memset() return void in __STDC__
	22	* patch7: errno may now be a macro with an lvalue
	23	* patch7: ANSI strerror() is now supported
	24	* patch7: Xenix support for sys/ndir.h, cross compilation
	25	*
ffed7fef LW	26	* Revision 3.0.1.3 89/11/17 15:28:57 lwall
	27	* patch5: byteorder now is a hex value
	28	* patch5: Configure now looks for <time.h> including <sys/time.h>
	29	*
ae986130 LW	30	* Revision 3.0.1.2 89/11/11 04:39:38 lwall
	31	* patch2: Configure may now set -DDEBUGGING
	32	* patch2: netinet/in.h needed sys/types.h some places
	33	* patch2: more <sys/time.h> and <time.h> wrangling
	34	* patch2: yydebug moved to where type doesn't matter
	35	*
03a14243 LW	36	* Revision 3.0.1.1 89/10/26 23:17:08 lwall
	37	* patch1: vfork now conditionally defined based on VFORK
	38	* patch1: DEC risc machines have a buggy memcmp
	39	* patch1: perl.h now includes <netinet/in.h> if it exists
	40	*
a687059c LW	41	* Revision 3.0 89/10/18 15:21:21 lwall
a687059c LW	42	* 3.0 baseline
8d063cd8 LW	43	*
	44	*/
	45
ac58e20f LW	46	#define VOIDUSED 1
	47	#include "config.h"
	48
	49	#if defined(HASVOLATILE) \|\| defined(__STDC__)
663a0e37	50	#define VOLATILE volatile
663a0e37 LW	51	#else
663a0e37 LW	52	#define VOLATILE
663a0e37 LW	53	#endif
663a0e37 LW	54
a687059c LW	55	#ifdef IAMSUID
	56	# ifndef TAINT
	57	# define TAINT
	58	# endif
	59	#endif
	60
03a14243 LW	61	#ifndef VFORK
	62	# define vfork fork
	63	#endif
	64
663a0e37 LW	65	#ifdef GETPGRP2
	66	# ifndef GETPGRP
	67	# define GETPGRP
	68	# endif
	69	# define getpgrp getpgrp2
	70	#endif
	71
	72	#ifdef SETPGRP2
	73	# ifndef SETPGRP
	74	# define SETPGRP
	75	# endif
	76	# define setpgrp setpgrp2
	77	#endif
	78
ffed7fef	79	#if defined(MEMCMP) && defined(mips) && BYTEORDER == 0x1234
03a14243 LW	80	#undef MEMCMP
	81	#endif
	82
378cc40b	83	#ifdef MEMCPY
663a0e37 LW	84	#ifndef memcpy
	85	#ifdef __STDC__
	86	extern void memcpy(), memset();
	87	#else
378cc40b	88	extern char memcpy(), memset();
663a0e37 LW	89	#endif
663a0e37 LW	90	#endif
a687059c LW	91	#define bcopy(s1,s2,l) memcpy(s2,s1,l)
	92	#define bzero(s,l) memset(s,0,l)
	93	#endif
	94	#ifndef BCMP /* prefer bcmp slightly 'cuz it doesn't order */
	95	#define bcmp(s1,s2,l) memcmp(s1,s2,l)
8d063cd8 LW	96	#endif
	97
	98	#include <stdio.h>
	99	#include <ctype.h>
	100	#include <setjmp.h>
378cc40b LW	101	#include <sys/param.h> /* if this needs types.h we're still wrong */
	102
	103	#ifndef _TYPES_ /* If types.h defines this it's easy. */
	104	#ifndef major /* Does everyone's types.h define this? */
8d063cd8	105	#include <sys/types.h>
378cc40b LW	106	#endif
	107	#endif
	108
ae986130 LW	109	#ifdef I_NETINET_IN
	110	#include <netinet/in.h>
	111	#endif
	112
8d063cd8	113	#include <sys/stat.h>
135863df	114
663a0e37 LW	115	#ifdef I_TIME
663a0e37 LW	116	# include <time.h>
ffed7fef	117	#endif
663a0e37 LW	118
	119	#ifdef I_SYSTIME
	120	# ifdef SYSTIMEKERNEL
	121	# define KERNEL
	122	# endif
	123	# include <sys/time.h>
	124	# ifdef SYSTIMEKERNEL
	125	# undef KERNEL
	126	# endif
a687059c	127	#endif
135863df	128
8d063cd8 LW	129	#include <sys/times.h>
8d063cd8 LW	130
663a0e37 LW	131	#if defined(STRERROR) && (!defined(MKDIR) \|\| !defined(RMDIR))
	132	#undef STRERROR
	133	#endif
	134
	135	#include <errno.h>
	136	#ifndef errno
	137	extern int errno; /* ANSI allows errno to be an lvalue expr */
	138	#endif
	139
	140	#ifdef STRERROR
	141	char *strerror();
	142	#else
	143	extern int sys_nerr;
	144	extern char *sys_errlist[];
	145	#define strerror(e) ((e) < 0 \|\| (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
	146	#endif
	147
a687059c LW	148	#ifdef I_SYSIOCTL
	149	#ifndef _IOCTL_
	150	#include <sys/ioctl.h>
	151	#endif
	152	#endif
	153
	154	#if defined(mc300) \|\| defined(mc500) \|\| defined(mc700) /* MASSCOMP */
	155	#ifdef SOCKETPAIR
	156	#undef SOCKETPAIR
	157	#endif
	158	#ifdef NDBM
	159	#undef NDBM
	160	#endif
	161	#endif
	162
	163	#ifdef NDBM
	164	#include <ndbm.h>
	165	#define SOME_DBM
ae986130 LW	166	#ifdef ODBM
	167	#undef ODBM
	168	#endif
a687059c LW	169	#else
	170	#ifdef ODBM
	171	#ifdef NULL
	172	#undef NULL /* suppress redefinition message */
	173	#endif
	174	#include <dbm.h>
	175	#ifdef NULL
	176	#undef NULL
	177	#endif
	178	#define NULL 0 /* silly thing is, we don't even use this */
	179	#define SOME_DBM
	180	#define dbm_fetch(db,dkey) fetch(dkey)
	181	#define dbm_delete(db,dkey) delete(dkey)
	182	#define dbm_store(db,dkey,dcontent,flags) store(dkey,dcontent)
	183	#define dbm_close(db) dbmclose()
	184	#define dbm_firstkey(db) firstkey()
	185	#endif /* ODBM */
	186	#endif /* NDBM */
	187	#ifdef SOME_DBM
	188	EXT char *dbmkey;
	189	EXT int dbmlen;
	190	#endif
	191
	192	#if INTSIZE == 2
	193	#define htoni htons
	194	#define ntohi ntohs
	195	#else
	196	#define htoni htonl
	197	#define ntohi ntohl
	198	#endif
	199
663a0e37 LW	200	#if defined(I_DIRENT) && !defined(xenix)
	201	# include <dirent.h>
	202	# define DIRENT dirent
ae986130	203	#else
663a0e37 LW	204	# ifdef I_SYSDIR
	205	# ifdef hp9000s500
	206	# include <ndir.h> /* may be wrong in the future */
	207	# else
	208	# include <sys/dir.h>
	209	# endif
	210	# define DIRENT direct
	211	# else
	212	# ifdef I_SYSNDIR
	213	# include <sys/ndir.h>
	214	# define DIRENT direct
	215	# endif
	216	# endif
a687059c LW	217	#endif
a687059c LW	218
8d063cd8 LW	219	typedef struct arg ARG;
	220	typedef struct cmd CMD;
	221	typedef struct formcmd FCMD;
	222	typedef struct scanpat SPAT;
8d063cd8	223	typedef struct stio STIO;
378cc40b	224	typedef struct sub SUBR;
8d063cd8 LW	225	typedef struct string STR;
	226	typedef struct atbl ARRAY;
	227	typedef struct htbl HASH;
378cc40b	228	typedef struct regexp REGEXP;
a687059c LW	229	typedef struct stabptrs STBP;
a687059c LW	230	typedef struct stab STAB;
8d063cd8	231
378cc40b LW	232	#include "handy.h"
378cc40b LW	233	#include "regexp.h"
8d063cd8	234	#include "str.h"
378cc40b	235	#include "util.h"
8d063cd8 LW	236	#include "form.h"
	237	#include "stab.h"
	238	#include "spat.h"
	239	#include "arg.h"
	240	#include "cmd.h"
	241	#include "array.h"
	242	#include "hash.h"
	243
a687059c LW	244	#if defined(iAPX286) \|\| defined(M_I286) \|\| defined(I80286)
	245	# define I286
	246	#endif
	247
	248	#ifndef __STDC__
135863df AB	249	#ifdef CHARSPRINTF
	250	char *sprintf();
	251	#else
	252	int sprintf();
	253	#endif
a687059c	254	#endif
135863df	255
8d063cd8 LW	256	EXT char *Yes INIT("1");
	257	EXT char *No INIT("");
	258
a687059c LW	259	/* "gimme" values */
	260
	261	/* Note: cmd.c assumes that it can use && to produce one of these values! */
	262	#define G_SCALAR 0
	263	#define G_ARRAY 1
	264
	265	#ifdef CRIPPLED_CC
	266	int str_true();
	267	#else /* !CRIPPLED_CC */
	268	#define str_true(str) (Str = (str), \
	269	(Str->str_pok ? \
	270	((*Str->str_ptr > '0' \|\| \
	271	Str->str_cur > 1 \|\| \
	272	(Str->str_cur && *Str->str_ptr != '0')) ? 1 : 0) \
	273	: \
	274	(Str->str_nok ? (Str->str_u.str_nval != 0.0) : 0 ) ))
	275	#endif /* CRIPPLED_CC */
8d063cd8	276
135863df	277	#ifdef DEBUGGING
a687059c LW	278	#define str_peek(str) (Str = (str), \
	279	(Str->str_pok ? \
	280	Str->str_ptr : \
	281	(Str->str_nok ? \
	282	(sprintf(tokenbuf,"num(%g)",Str->str_u.str_nval), \
	283	(char*)tokenbuf) : \
	284	"" )))
135863df AB	285	#endif
135863df AB	286
a687059c LW	287	#ifdef CRIPPLED_CC
	288	char *str_get();
	289	#else
	290	#ifdef TAINT
	291	#define str_get(str) (Str = (str), tainted \|= Str->str_tainted, \
	292	(Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
	293	#else
8d063cd8	294	#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
a687059c LW	295	#endif /* TAINT */
	296	#endif /* CRIPPLED_CC */
	297
	298	#ifdef CRIPPLED_CC
	299	double str_gnum();
	300	#else /* !CRIPPLED_CC */
	301	#ifdef TAINT
	302	#define str_gnum(str) (Str = (str), tainted \|= Str->str_tainted, \
	303	(Str->str_nok ? Str->str_u.str_nval : str_2num(Str)))
	304	#else /* !TAINT */
	305	#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_u.str_nval : str_2num(Str)))
	306	#endif /* TAINT*/
	307	#endif /* CRIPPLED_CC */
8d063cd8 LW	308	EXT STR *Str;
	309
	310	#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)
	311
a687059c LW	312	#define STR_GROW(str,len) if ((str)->str_len < (len)) str_grow(str,len)
	313
	314	#ifndef BYTEORDER
ffed7fef	315	#define BYTEORDER 0x1234
a687059c LW	316	#endif
a687059c LW	317
ae986130 LW	318	#if defined(htonl) && !defined(HTONL)
	319	#define HTONL
	320	#endif
	321	#if defined(htons) && !defined(HTONS)
	322	#define HTONS
	323	#endif
	324	#if defined(ntohl) && !defined(NTOHL)
	325	#define NTOHL
	326	#endif
	327	#if defined(ntohs) && !defined(NTOHS)
	328	#define NTOHS
	329	#endif
a687059c	330	#ifndef HTONL
ffed7fef	331	#if (BYTEORDER != 0x4321) && (BYTEORDER != 0x87654321)
a687059c LW	332	#define HTONS
	333	#define HTONL
	334	#define NTOHS
	335	#define NTOHL
	336	#define MYSWAP
	337	#define htons my_swap
	338	#define htonl my_htonl
	339	#define ntohs my_swap
	340	#define ntohl my_ntohl
	341	#endif
	342	#else
ffed7fef	343	#if (BYTEORDER == 0x4321) \|\| (BYTEORDER == 0x87654321)
a687059c LW	344	#undef HTONS
	345	#undef HTONL
	346	#undef NTOHS
	347	#undef NTOHL
	348	#endif
	349	#endif
	350
8d063cd8 LW	351	CMD *add_label();
	352	CMD *block_head();
	353	CMD *append_line();
	354	CMD *make_acmd();
	355	CMD *make_ccmd();
a687059c	356	CMD *make_icmd();
8d063cd8 LW	357	CMD *invert();
	358	CMD *addcond();
	359	CMD *addloop();
	360	CMD *wopt();
378cc40b	361	CMD *over();
8d063cd8	362
8d063cd8	363	STAB *stabent();
378cc40b	364	STAB *genstab();
8d063cd8	365
378cc40b	366	ARG *stab2arg();
8d063cd8 LW	367	ARG *op_new();
8d063cd8 LW	368	ARG *make_op();
8d063cd8 LW	369	ARG *make_match();
8d063cd8 LW	370	ARG *make_split();
a687059c	371	ARG *rcatmaybe();
378cc40b	372	ARG *listish();
a687059c	373	ARG *maybelistish();
378cc40b	374	ARG *localize();
a687059c LW	375	ARG *fixeval();
a687059c LW	376	ARG *jmaybe();
378cc40b	377	ARG *l();
a687059c	378	ARG *fixl();
378cc40b LW	379	ARG *mod_match();
	380	ARG *make_list();
	381	ARG *cmd_to_arg();
	382	ARG *addflags();
	383	ARG *hide_ary();
	384	ARG *cval_to_arg();
8d063cd8	385
8d063cd8 LW	386	STR *str_new();
8d063cd8 LW	387	STR *stab_str();
a687059c LW	388
	389	int do_each();
	390	int do_subr();
	391	int do_match();
	392	int do_unpack();
	393	int eval(); /* this evaluates expressions */
	394	int do_eval(); /* this evaluates eval operator */
	395	int do_assign();
378cc40b LW	396
378cc40b LW	397	SUBR *make_sub();
8d063cd8 LW	398
	399	FCMD *load_format();
	400
	401	char *scanpat();
	402	char *scansubst();
	403	char *scantrans();
	404	char *scanstr();
	405	char *scanreg();
8d063cd8 LW	406	char *str_append_till();
8d063cd8 LW	407	char *str_gets();
a687059c	408	char *str_grow();
8d063cd8	409
8d063cd8 LW	410	bool do_open();
	411	bool do_close();
	412	bool do_print();
378cc40b LW	413	bool do_aprint();
	414	bool do_exec();
	415	bool do_aexec();
8d063cd8 LW	416
8d063cd8 LW	417	int do_subst();
378cc40b LW	418	int cando();
378cc40b LW	419	int ingroup();
8d063cd8	420
378cc40b LW	421	void str_replace();
	422	void str_inc();
	423	void str_dec();
8d063cd8	424	void str_free();
a687059c	425	void stab_clear();
378cc40b	426	void do_join();
378cc40b	427	void do_sprintf();
a687059c	428	void do_accept();
ac58e20f	429	void do_pipe();
a687059c LW	430	void do_vecset();
	431	void savelist();
	432	void saveitem();
	433	void saveint();
	434	void savelong();
	435	void savesptr();
	436	void savehptr();
	437	void restorelist();
ac58e20f	438	void repeatcpy();
a687059c LW	439	HASH *savehash();
a687059c LW	440	ARRAY *saveary();
378cc40b	441
ac58e20f LW	442	EXT char **origargv;
ac58e20f LW	443	EXT int origargc;
378cc40b	444	EXT line_t line INIT(0);
a687059c LW	445	EXT line_t subline INIT(0);
a687059c LW	446	EXT STR *subname INIT(Nullstr);
8d063cd8 LW	447	EXT int arybase INIT(0);
	448
	449	struct outrec {
378cc40b LW	450	line_t o_lines;
	451	char *o_str;
	452	int o_len;
8d063cd8 LW	453	};
	454
	455	EXT struct outrec outrec;
	456	EXT struct outrec toprec;
	457
a687059c	458	EXT STAB *stdinstab INIT(Nullstab);
8d063cd8 LW	459	EXT STAB *last_in_stab INIT(Nullstab);
	460	EXT STAB *defstab INIT(Nullstab);
	461	EXT STAB *argvstab INIT(Nullstab);
	462	EXT STAB *envstab INIT(Nullstab);
	463	EXT STAB *sigstab INIT(Nullstab);
	464	EXT STAB *defoutstab INIT(Nullstab);
	465	EXT STAB *curoutstab INIT(Nullstab);
	466	EXT STAB *argvoutstab INIT(Nullstab);
378cc40b	467	EXT STAB *incstab INIT(Nullstab);
a687059c LW	468	EXT STAB *leftstab INIT(Nullstab);
	469	EXT STAB *amperstab INIT(Nullstab);
	470	EXT STAB *rightstab INIT(Nullstab);
	471	EXT STAB *DBstab INIT(Nullstab);
	472	EXT STAB *DBsub INIT(Nullstab);
	473
	474	EXT HASH defstash; / main symbol table */
	475	EXT HASH curstash; / symbol table for current package */
	476	EXT HASH debstash; / symbol table for perldb package */
	477
	478	EXT STR curstname; / name of current package */
8d063cd8 LW	479
8d063cd8 LW	480	EXT STR *freestrroot INIT(Nullstr);
378cc40b	481	EXT STR *lastretstr INIT(Nullstr);
a687059c LW	482	EXT STR *DBsingle INIT(Nullstr);
	483
	484	EXT int lastspbase;
	485	EXT int lastsize;
8d063cd8	486
378cc40b LW	487	EXT char *filename;
378cc40b LW	488	EXT char *origfilename;
ac58e20f	489	EXT FILE * VOLATILE rsfp;
8d063cd8	490	EXT char buf[1024];
a687059c LW	491	EXT char *bufptr;
	492	EXT char *oldbufptr;
	493	EXT char *oldoldbufptr;
	494	EXT char *bufend;
8d063cd8 LW	495
	496	EXT STR *linestr INIT(Nullstr);
	497
ac58e20f	498	EXT int record_separator INIT('\n');
a687059c	499	EXT int rslen INIT(1);
8d063cd8	500	EXT char *ofs INIT(Nullch);
a687059c	501	EXT int ofslen INIT(0);
8d063cd8	502	EXT char *ors INIT(Nullch);
a687059c	503	EXT int orslen INIT(0);
8d063cd8 LW	504	EXT char *ofmt INIT(Nullch);
8d063cd8 LW	505	EXT char *inplace INIT(Nullch);
a687059c	506	EXT char *nointrp INIT("");
8d063cd8	507
378cc40b LW	508	EXT bool preprocess INIT(FALSE);
	509	EXT bool minus_n INIT(FALSE);
	510	EXT bool minus_p INIT(FALSE);
	511	EXT bool minus_a INIT(FALSE);
	512	EXT bool doswitches INIT(FALSE);
	513	EXT bool dowarn INIT(FALSE);
	514	EXT bool allstabs INIT(FALSE); /* init all customary symbols in symbol table?*/
	515	EXT bool sawampersand INIT(FALSE); /* must save all match strings */
	516	EXT bool sawstudy INIT(FALSE); /* do fbminstr on all strings */
a687059c LW	517	EXT bool sawi INIT(FALSE); /* study must assume case insensitive */
a687059c LW	518	EXT bool sawvec INIT(FALSE);
ac58e20f	519	EXT bool localizing INIT(FALSE); /* are we processing a local() list? */
a687059c	520
ae986130 LW	521	#ifdef CSH
	522	char *cshname INIT(CSH);
	523	int cshlen INIT(0);
	524	#endif /* CSH */
a687059c LW	525
	526	#ifdef TAINT
	527	EXT bool tainted INIT(FALSE); /* using variables controlled by $< */
	528	#endif
378cc40b LW	529
	530	#define TMPPATH "/tmp/perl-eXXXXXX"
	531	EXT char *e_tmpname;
	532	EXT FILE *e_fp INIT(Nullfp);
	533
8d063cd8	534	EXT char tokenbuf[256];
a687059c	535	EXT int expectterm INIT(TRUE); /* how to interpret ambiguous tokens */
ac58e20f	536	EXT VOLATILE int in_eval INIT(FALSE); /* trap fatal errors? */
a687059c LW	537	EXT int multiline INIT(0); /* $--do strings hold >1 line? /
	538	EXT int forkprocess; /* so do_open \|- can return proc# */
	539	EXT int do_undump INIT(0); /* -u or dump seen? */
	540	EXT int error_count INIT(0); /* how many errors so far, max 10 */
	541	EXT int multi_start INIT(0); /* 1st line of multi-line string */
	542	EXT int multi_end INIT(0); /* last line of multi-line string */
	543	EXT int multi_open INIT(0); /* delimiter of said string */
	544	EXT int multi_close INIT(0); /* delimiter of said string */
8d063cd8 LW	545
	546	FILE *popen();
	547	/* char str_get(); /
	548	STR *interp();
	549	void free_arg();
	550	STIO *stio_new();
	551
	552	EXT struct stat statbuf;
a687059c LW	553	EXT struct stat statcache;
	554	STAB *statstab INIT(Nullstab);
	555	STR *statname;
8d063cd8	556	EXT struct tms timesbuf;
378cc40b LW	557	EXT int uid;
378cc40b LW	558	EXT int euid;
a687059c LW	559	EXT int gid;
a687059c LW	560	EXT int egid;
378cc40b LW	561	UIDTYPE getuid();
	562	UIDTYPE geteuid();
	563	GIDTYPE getgid();
	564	GIDTYPE getegid();
	565	EXT int unsafe;
8d063cd8 LW	566
8d063cd8 LW	567	#ifdef DEBUGGING
ac58e20f	568	EXT VOLATILE int debug INIT(0);
8d063cd8	569	EXT int dlevel INIT(0);
a687059c LW	570	EXT int dlmax INIT(128);
	571	EXT char *debname;
	572	EXT char *debdelim;
d96024cf	573	#define YYDEBUG 1
8d063cd8	574	#endif
a687059c	575	EXT int perldb INIT(0);
8d063cd8	576
378cc40b LW	577	EXT line_t cmdline INIT(NOLINE);
378cc40b LW	578
a687059c	579	EXT STR str_undef;
8d063cd8 LW	580	EXT STR str_no;
	581	EXT STR str_yes;
	582
	583	/* runtime control stuff */
	584
	585	EXT struct loop {
a687059c LW	586	char loop_label; / what the loop was called, if anything */
a687059c LW	587	int loop_sp; /* stack pointer to copy stuff down to */
8d063cd8	588	jmp_buf loop_env;
a687059c	589	} *loop_stack;
8d063cd8 LW	590
8d063cd8 LW	591	EXT int loop_ptr INIT(-1);
a687059c	592	EXT int loop_max INIT(128);
8d063cd8 LW	593
	594	EXT jmp_buf top_env;
	595
ac58e20f	596	EXT char * VOLATILE goto_targ INIT(Nullch); /* cmd_exec gets strange when set */
8d063cd8	597
a687059c LW	598	EXT ARRAY stack; / THE STACK */
a687059c LW	599
ac58e20f	600	EXT ARRAY * VOLATILE savestack; /* to save non-local values on */
378cc40b LW	601
	602	EXT ARRAY tosave; / strings to save on recursive subroutine */
	603
a687059c LW	604	EXT ARRAY lineary; / lines of script for debugger */
	605
	606	EXT ARRAY pidstatary; / keep pids and statuses by fd for mypopen */
	607
ac58e20f LW	608	EXT int di; / for tmp use in debuggers */
	609	EXT char *dc;
	610	EXT short *ds;
	611
8d063cd8	612	double atof();
a687059c	613	long time();
8d063cd8	614	struct tm gmtime(), localtime();
378cc40b LW	615	char *mktemp();
	616	char index(), rindex();
	617	char strcpy(), strcat();
8d063cd8	618
8d063cd8	619	#ifdef EUNICE
378cc40b LW	620	#define UNLINK unlnk
378cc40b LW	621	int unlnk();
8d063cd8 LW	622	#else
	623	#define UNLINK unlink
	624	#endif
a687059c LW	625
	626	#ifndef SETREUID
	627	#ifdef SETRESUID
	628	#define setreuid(r,e) setresuid(r,e,-1)
	629	#define SETREUID
	630	#endif
	631	#endif
	632	#ifndef SETREGID
	633	#ifdef SETRESGID
	634	#define setregid(r,e) setresgid(r,e,-1)
	635	#define SETREGID
	636	#endif
	637	#endif